However , the law prohibits unions and federations from affiliating with international trade union bodies unless they receive prior written consent from both the minister of home affairs and the labour department .
Problems in the industrialization development of korla fragrant pear in bazhou are analyzed , such as the weak protection of brand and lack of external propaganda , the imperfect benefit affiliating mechanism between leading enterprises and peasant households , and the marketing network of korla fragrant pear and single mode of marketing .